Problems and Countermeasures in the Eco-industry Development System:Taking An Example of Ecological Aquaculture of River Crabs in Dangtu,Dagongyu,Anhui

The development of eco-industry is not isolated,but has certain systematic characteristics,so we should view it from a systematic angle.The eco-industry of river crabs in Dagongyu suggests: eco-industry and external eco-system are mutually interdependent;though eco-raising promotes the mutual benefit and existence of economic returns and environmental returns,it breeds problems such as the damage of river systems and creature diversity.Therefore,how to preserve the unique feature of river crab industry in the upsurge of industrialization and industry transfer is the problem faced by the external society system.Although these problems are not manifested clearly,if handled improperly,they will not only constrain the development of eco-industry but do severe harm to eco-system.